| Female Sibyl Montgomery |
| Birth | ||
| Death | ||
| Burial | ||
| Father | Earl of Shrewsbury Roger Montgomery | F1245 Group Sheet | |
| Mother | Mabel Talvas | F1245 Group Sheet | |
| Female + Mabel Fitz Hamon |
| Birth | 1090 | , , England, United Kingdom |
| Death | 1157 | |
| Burial | ||
| Spouse | Earl of Gloucester Robert De Caen | F1241 | |
| Marriage | ||